DEMAGNETIZER RD-3
Why are optical discs such as CDs magnetized?
First, the image on the upper side of the disc is made with paints that include iron and similar metals. For example, iron oxide is included in red, yellow and brown paints, cobalt in blue and green paints, and nickel in silver paint. These materials - iron, cobalt, nickel - are called ferromagnets and are easily magnetized.
Second, the problem is with the aluminum that is applied to the lower, readable side of the disc. According to the current JIS (Japanese Industrial Standard), the purity of this aluminum must be 99.0%. 1% contain ferromagnets such as iron, nickel and cobalt.
CD players contain magnetic substances, and when the disc is played, the rotation of the mechanism, magnet and motor creates a magnetic flux that quickly magnetizes the discs.
This also applies to CDs, DVDs and other optical discs. Other degaussing devices, such as Head eraser or Bulk eraser, are not able to completely degauss the discs. Moreover, some of them can magnetize the disk.
Conducted studies show that without demagnetization, it is impossible to remove high-quality information from an optical disc (receive a high-quality audio and video signal). Even when using expensive electronics (CD or DVD players, etc.), it is impossible to achieve good sound and a good image without demagnetizing the disc. For example, amplifiers and speaker systems are unable to correct signals damaged by magnetization. Your amplifier and speakers will simply reproduce the received information, regardless of whether the signal is good or bad. Disc demagnetization is a must if you want to reproduce sound and images with the highest possible quality.
The Acoustic Revive RD-3 is a great product. It completely demagnetizes optical discs and is easy to use.
Demagnetize the disc with the RD-3, you will notice a significant improvement in the quality of sound and image. You will hear nuances of sound that you did not notice before demagnetizing the disc